At the top of the draft class, Oregon’s Marcus Mariota and Florida State’s Jameis Winston will compete throughout the season to be the highest rated quarterback in the upcoming draft. Either of them would have been the highest-selected quarterback in the 2014 draft. Yet, neither was chosen first overall in our initial mock. The primary reason is due to slotting.

Mariota does get the nod over Winston as the top quarterback prospect due to the off-the-field concerns currently swirling around the reigning Heisman Trophy winner.

Instead of the quarterbacks, a pair of defensive linemen come off the board first.

The Jaguars selected UCF’s Blake Bortles with the third overall pick during the recent draft. In 2015, they could land a difference-maker on the defensive side of the football. Nebraska’s Randy Gregory led the Big Ten Conference in sacks as a sophomore with 10.5. Gregory isn’t on the same level as Jadeveon Clowney, but he’s a 6-6, 245-pound defensive end with tremendous first-step quickness and length.

The Raiders, meanwhile, continue to fortify their defense after recently selecting Buffalo’s Khalil Mack fifth overall. Williams is a rugged interior defender that has played at a high level since his true freshman campaign. At 6-5 and 290 pounds, Williams has the ability to start at defensive tackle for 3-4 defensive end depending on the Raiders’ preference to potentially utilize multiple fronts.